Thomas Fahr Steyer (born June 27, 1957) is an American climate investor, businessman, hedge fund manager, philanthropist, environmentalist, and liberal activist. Steyer is the co-founder and co-chair of Galvanize Climate Solutions, founder and former co-senior-managing-partner of Farallon Capital and the co-founder of OneCalifornia Bank, which became (through merger) Beneficial State Bank, an Oakland-based community development bank. Farallon Capital manages $20 billion in capital for institutions and high-net-worth individuals. The firm's institutional investors include college endowments and foundations. Steyer served on the board of trustees at Stanford University from 2007 to 2017. Since 1986, he has been a partner and member of the executive committee at Hellman & Friedman, a San Francisco-based private equity firm. (Source: Wikipedia.org, CC BY-SA)